<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8" />
		<title>绑定样式</title>
		<style>
			.basic{
				width: 400px;
				height: 100px;
				border: 1px solid black;
			}
			
			.happy{
				border: 4px solid red;;
				background-color: rgba(255, 255, 0, 0.644);
				background: linear-gradient(30deg,yellow,pink,orange,yellow);
			}
			.sad{
				border: 4px dashed rgb(2, 197, 2);
				background-color: gray;
			}
			.normal{
				background-color: skyblue;
			}

			.atguigu1{
				background-color: yellowgreen;
			}
			.atguigu2{
				font-size: 30px;
				text-shadow:2px 2px 10px red;
			}
			.atguigu3{
				border-radius: 20px;
			}
		</style>
		<script type="text/javascript" src="../js/vue.js"></script>
	</head>
	<body>
		<div id="root">
			<div class="basic" :class="mood" @click="changeMood">{{name}}</div> <br/><br/>
			<div class="basic" :class="arr">{{name}}</div>
			<div class="basic" :class="classobj">{{name}}</div>
			<div class="basic" :style="styleobj">{{name}}</div>
		</div>
	</body>

	<script type="text/javascript">
		Vue.config.productionTip = false
		
		const vm = new Vue({
			el:'#root',
			data:{
				name:'尚硅谷',
				mood:'normal',
				arr:['atguigu1','atguigu2','atguigu3'],
				classobj:{
					atguigu1:false,
					atguigu2:true,
				},
				styleobj:{
					fontSize:'40px',
				}
				
			},
			methods: {
				changeMood(){
					const arr=['happy','sad','normal']
					Math.floor(Math.random()*3) 
					this.mood = 'happy'
				}
			},
		})
	</script>
	
</html>